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FAQ

  1. Isn't a demarc extension simply inside wiring?
    Depending on the level of service (1 or 2), the demarc extension will involve numerous components outside of cabling (inside wiring) such as circuit testing and providing technical support to the service provider. When it comes to inside wiring, the typical wiring convention, components and distance limitations for a demarc extension do not follow the same standards as structured cabling systems standards (TIA 568). This leads to errors in installations and testing of cabling and circuits as well as additional charges to correct the issues.
     
  2. Who is responsible for a demarc extension?
    Originally the demarc extension was the carrier's responsibility and was included as part of their service cost. However, as indicated in our Industry History section, the end user or subscriber is now responsible for installing and maintaining the demarc extension or selecting a firm to install and maintain it for them.
     
  3. Who can perform a demarc extension?
    With the majority of communications to the outside world dependent on the circuit and demarc extension that connects to the eCPE for the utilization of the network, you want to make sure every part of the demarc extension is properly installed and maintained 100% of the time. Although there is the option to choose a contractor, you should confirm the contractor's experience and expertise in installing and maintaining their demarc extension.
     
  4. What is the most time and cost-effective way to have a demarc extension performed?
    When completing a telecommunications rollout across multi-site locations throughout the country, multiple local access providers are required. There is a large amount of time, cost and effort to manage the project and coordinate field services in addition to other requirements. Using Demarc Extension Nationwide, you'll be assured that we have the system and processes in place to manage the entire installation of the demarc extension and ensure on-time serviceability. Demarc Extension Nationwide Advantages
     
  5. What is the process involved during a typical T1 Extension?
    During a typical T1 Extension, a buyer orders a T1 from an ISP. In such a case the buyer is actually ordering two services: a port and the T1 loop. The port is the actual device at the ISP's end which provides Internet access to the buyer. The loop is the private line that connects the point of delivery (in this case the location of the buyer) to the ISP's port that provides internet access.

    Now the loop is actually purchased from the local access provider (ILEC which in most cases is the local telephone provider) as they are the entity that legally owns and can sell the local network. The LEC is mandated by law to deliver a local loop to the MPOE of a building being serviced by an ISP. This requires them to bring lines to the MPOE of a building, but no further.

    At this point, if the terminating router of the T1 is not in same place as the MPOE (which in most cases it isn't) then a demarc extension is needed to take the connection forward to the end user location within the building. Based on the complexity of the extension, the ILEC may extend the demarc of the circuit for a cost.

  6. What are some common misconceptions concerning a demarc extension?
    • All circuits are tagged and identified.
    • Pairs available to extend the circuit.
    • Other service providers can use the conduits coming into a building for new service.
    • The smart jack can be moved from the MPOE to another location.
    • There is easy access to the site.

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